Home / 500,541.15-750,805.39-121,465

Finding the Fourth Proportional to 500,541.15, 750,805.39 and 121,465

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Solution

The fourth proportional to 500,541.15, 750,805.39 and 121,465 is: 182,195.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,541.15 : 750,805.39 = 121,465 : x
  2. Step 2: Convert to fraction form
    500,541.15/750,805.39 = 121,465/x
  3. Step 3: Cross multiply
    500,541.15x = 750,805.39 × 121,465
  4. Step 4: Simplify right side
    500,541.15x = 91,196,576,696.35
  5. Step 5: Solve for x
    x = 91,196,576,696.35/500,541.15
  6. Step 6: Final answer
    x = 182,195.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.